#include<bits/stdc++.h>
using namespace std;
int n,cnt[100005],ans=0;
int main(){
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	cin>>n;
	for(int i=1,x;i<=n;i++){
		cin>>x;
		cnt[x]++;
	}
	for(int i=1;i<=100000;i++)
		ans=max(ans,cnt[i]);
	cout<<ans;
}

